*{
    padding: 0;
    margin: 0;
}
.box{
    width: 750px;
    height: 300px;
    margin: 0 auto;
    position: relative;
}
.box img{
    width: 100%;
}
.box ul{
    width: 100%;
    height: 30px;
    list-style: none;
    display: flex;
    position: absolute;
    bottom: 10px;
    align-items: center;
    justify-content: center;
}
.box ul li{
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background:white;
    margin-right: 10px;
    cursor: pointer;
}
.box ul li.active{
    background: blue;
}
.swiper2{
    margin-top: 30px;
}